Dgraph is an open source distributed GraphQL database. Prior to 25.3.3, a vulnerability has been found in Dgraph that gives an unauthenticated attacker full read access to every piece of data in the database. This affects Dgraph's default configuration where ACL is not enabled. The attack is a single HTTP POST to /mutate?commitNow=true containing a crafted cond field in an upsert mutation. The cond value is concatenated directly into a DQL query string via strings.Builder.WriteString after only a cosmetic strings.Replace transformation. No escaping, parameterization, or structural validation is applied. An attacker injects an additional DQL query block into the cond string, which the DQL parser accepts as a syntactically valid named query block. The injected query executes server-side and its results are returned in the HTTP response. This vulnerability is fixed in 25.3.3.
CVE-2026-41327
This critical-severity CVE scores 9.1 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 78% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.1
- EG Score
- 9.1(medium)
- EPSS
- 34.3%
- KEV
- Not listed
Published
April 24, 2026
Last Modified
April 28, 2026
Advisory Details (2)
Auto-updated Apr 28, 2026Dgraph: Pre-Auth Full Database Exfiltration via DQL Injection in Upsert Condition Field · Advisory · dgraph-io/dgraph · GitHub
https://github.com/dgraph-io/dgraph/security/advisories/GHSA-mrxx-39g5-ph77Release v25.3.3 · dgraph-io/dgraph · GitHub
https://github.com/dgraph-io/dgraph/releases/tag/v25.3.3Affected Packages
(3 across 1 ecosystem)
Go(3)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| github.com/dgraph-io/dgraph | — | — | — |
| github.com/dgraph-io/dgraph/v24 | — | — | — |
| github.com/dgraph-io/dgraph/v25 | — | 25.3.3 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 9× in last 7d / 43× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 136 total refreshes for this CVE.
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Related CVEs(same CWE)
Same CWE
10 shownCWE-943
Frequently asked(5)
What is CVE-2026-41327?
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Dependency Blast Radius
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